For the Ascent, wave 1 runners had bib numbers below 1000 and wave 2 runners had bib numbers above 1000. For the Marathon, field 1 runners had bib numbers below 600 and field 2 runners had bib numbers above 600. You could pretty easily copy the results page into Excel, sort by bib number, delete the wave or field 1 runners, then sort by time and find your standing in wave 2.